THE CANADIAN ENTOMOLOC4IST. 353 



side of the front opposite the upper end of the middle fovea, 

 puncture longer than broad ; the median fovea somewhat rounded 

 in outline, deep, completely shut off from the antennal fovea ; the 

 hypoclypeal area strongly, convexly elevated, quadrangular, longer 

 than broad ; the postocular area a half broader than long, convex, 

 but not strongly elevated ; the vertical portion of the antennal 

 furrow broad, shallow, linear at bottom, the sides of the furrow 

 slightly converging in front ; the interocular furrow faintly indicated 

 at sides and wanting at middle ; the antennae with the first and 

 second segments together three-fifths the length of the third, the 

 third segment considerably more than one and one-half times as 

 long as the fourth, the fourth and fifth about subequal, the sixth, 

 seventh and eighth each slightly shorter than the fifth and subequal 

 to each other, the ninth subequal to the eighth, elongate, broadly 

 and bluntly rounded at apex ; the thorax polished, sericeous ; the 

 wings hyaline, the veins except the costa, and the stigma except its 

 outer margin, infuscated ; the front wings with the free part of R 4 

 about twice the length of the free part of R 5 and slightly bowed 

 inwardly ; the radial cross-vein straight ; the greatest length of the 

 cell R 4 one-fifth greater than the greatest length of the cell R 5 ; the 

 legs finely sericeous ; the posterior metatarsus much shorter than all 

 the following segments together, the second and third segments of 

 the tarsus subequal, the fourth half the length of the third ; the 

 abdomen dull, inclining to reddish ; the saw-guides convex above 

 and below, gradually rounded to a point at apex. Length, 4.5 mm. 

 Habitat : Ithaca, N Y lunata, n. sp. 



Postocular area about as long as broad and strongly convex ; body 

 black, with the front and middle legs below the knees, the basal 

 two-thirds of the hind tibiae, and the basal three-fourths of the 

 hind metatarsus, white or luteous ; the walls of the pentagonal area 

 distinct ; the V-shaped furrow deep and distinctly impressed, with 

 slanting walls \ the middle fovea deep and strongly impressed, the 

 sides parallel, gradually sloping off above ; the antennal furrow 

 represented by a pit on each side of the front ; the saw-guides 

 straight above, broadly, convexly rounded below to a blunt point 

 at apex above. Length, 4-6 mm. Habitat ; Connecticut. The 



